Extech RHT510-NIST Handheld Thermohygrometer, ±4 %RH Accuracy, +2372°F Max, 95%RH Max

The FLIR Hygro-Thermometer Psychrometer is a versatile tool designed to measure temperature, relative humidity, dew point, and wet bulb in various settings. With a compact design and user-friendly features, this device is essential for ensuring comfort and safety.

Large backlit LCD display for easy reading in dimly lit areas
Min/Max function for storing and recalling highest and lowest readings
Auto power off with disable option to conserve battery life